2040943 has 2 divisors, whose sum is σ = 2040944. Its totient is φ = 2040942.

The previous prime is 2040919. The next prime is 2040959. The reversal of 2040943 is 3490402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2040943 - 2⁹ = 2040431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020471 + 1020472.

It is an arithmetic number, because the mean of its divisors is an integer number (1020472).

2^2040943 is an apocalyptic number.

2040943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040943 is an equidigital number, since it uses as much as digits as its factorization.

2040943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2040943 is about 1428.6157635978. The cubic root of 2040943 is about 126.8460531566.

The spelling of 2040943 in words is "two million, forty thousand, nine hundred forty-three".